CVE-2026-15691 Tenda BE12 Pro SafeClientFilter fromSafeClientFilter stack-based overflow
A remote stack-based buffer overflow in the Tenda BE12 Pro router allows attackers to execute arbitrary code or cause denial of service via the SafeClientFilter interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15691?
CVE-2026-15691 is a high-severity memory corruption vulnerability in Tenda BE12 Pro, published on 14 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in Tenda BE12 Pro 16.03.66.23. This affects the function fromSafeClientFilter of the file /goform/SafeClientFilter. Performing a manipulation of the argument page results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-15691?
How do I fix CVE-2026-15691?
No fix has been published for CVE-2026-15691 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-15691 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15691 exists.
Sources
Also known as GHSA-53h5-qcmx-8q3x.